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1993 Civic DX

Old 08-24-2010, 12:20 PM
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Default 1993 Civic DX

Hi Everyone, I recently got this car with 222K on it for my daily driver. I have done all of the general maintenance on it (spark plugs, wires, rotor cap/button, fuel filter, timing belt, air filter, fuel system cleaner, oil change ect). I am going to check the PCV valve soon as well. The car does not burn oil or leak anything as well. Since the car did not come with the owners manuel, I don't know what type of octane to use. I am assuming its 87, but since it has many miles on it should I switch to something higher (1.5L motor non-vtec)? It does tick a little bit and any sugeestions would be great. Thanks!
Old 08-24-2010, 12:28 PM
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Ticking noise could be the valve adjustment.

They are designed for 87 octane.
Old 08-24-2010, 09:34 PM
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We run 87 octane in our 90 Civic DX. I pulled the spark plugs the other day & found plugs with a .075 gap & Autolites on top of that. I couldn't get NGKs or Denso's so I settled for a standard Bosch plug. I'm hoping for a gas mileage improvement.
Old 09-01-2010, 03:51 PM
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87. anything else for that motor and you are wasting money.
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